Bug #75597 [Com]: CURLOPT_POSTFIELDS large string incorrect send

Edit report at https://bugs.php.net/bug.php?id=75597&edit=1 ID: 75597 Comment by: mb dot php dot net at osps dot net Reported by: icorrea at cristalmedia dot net Summary: CURLOPT_POSTFIELDS large string incorrect send Status: Open Type: Bug Package: cURL related Operating System: Windows PHP Version: 7.2.0 Block user comment: N Private report: N New Comment: I can confirm the following versions apply: - problem occurs Windows 32, x64, Thread Safe, 7.1.12 - problem does NOT occur Windows 32, x64, Thread Safe, 7.1.2 Previous Comments: ------------------------------------------------------------------------ [2017-11-30 14:12:14] icorrea at cristalmedia dot net Description: ------------ --- From manual page: http://www.php.net/function.curl-setopt --- PHP 7.2.0 and PHP 7.1 When send a large string, for example a base64 encoded image, by POST and set the parameter using CURLOPT_POSTFIELDS, cURL cut the string and send a repeted string to the original length of the string. Example: $string = array(0 => "ABCDEFGHIJKLMN.."); // test with a string > 20000 length .. curl_setopt($s, CURLOPT_POST, true); curl_setopt($s, CURLOPT_POSTFIELDS, $string ); ... then on other side the server recive: "ABCDEFABCDEFABCD.." cuting the string in 16K size and repeated any times to complete the original size. Test the same code with PHP5 and this bug is not present. Test script: --------------- $string = array(0 => "ABCDEFGHIJKLMN.."); // test with a string > 20000 length .. curl_setopt($s, CURLOPT_POST, true); curl_setopt($s, CURLOPT_POSTFIELDS, $string ); ... then on other side the server recive: "ABCDEFABCDEFABCD.." ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75597&edit=1